openspaceman

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Yes it's very sad but I'm not sure what my cousins did, one of the three was definitely a carpenter and the eldest one left early and became a publican yet they three all died from asbestos related disease. I don't think any got to my age now. In my teens we would have raucous family gatherings for weddings and such at a ex serviceman's club somewhere off union street.

Never, my father was determined to get away and came to Surrey. All my male cousins seemed to work there and have passed away, asbestos related cancers.

This is a family song so: This one it did it was wrapped in a tin I cannot remember any of the other verses but I associate it with the yard at devonport

Or maybe a little piece of paper carefully folded up with some white powder inside. I'll sing you a story of my uncle Jim Somebody threw a tomato at him Tomatoes don't hurt you, I said with a grin,...

Expensive for what looks like a hermetically sealed compressor from a refrigerator sat on a reservoir. You could probably make one from an old fridge freezer and a propane tank with a pressure switch and a timer to stop it running more than ten minutes in 30 minutes.

No I don't think so, I guess you mean a tandem pump where at low pressures both pumps output but as the pressure (an hence required power) increases one pump's output is diverted to tank and all the horsepower is then used to drive the active pump. I imagine the logbullet has more sophisticated variable output pump which will optimise the use of the little engine's output. An intensifier is simply an extra ram and possibly some automagic valves. All the time the ram is managing to split with 6 tonnes force the output at 160 bar manages but when there is more resistance and 10 tonnes is needed to keep the ram moving the 160 bar pressure is fed to the extra ram which has nothing connected to it. The output from the piston side of the ram is now fed to the splitter ram. If the ratio of area on the piston side to the area on the rod side is sized to be 210:160 then the pressure multiplication is sufficient to get the splitter moving again.

It seems strange to see apples and pears falling to rot in people's gardens when they are such good food. I juiced mine this year to make better use of them. Also so disappointing to see all the cob hazelnuts taken by squirrel because they too make a long lasting food. So yes I would like to see more wild food planting. For my part I guerilla formative prune self sown oaks as I am about walking. Having made most of my income from selling timber it breaks my heart to see so much new growth being of such bad form it will never make decent sawlogs.

Yes but there is a way around it by using it that 95% of the time at full speed and then dropping the speed but increasing the pressure to 10 tonne by adding an intensifier.

Don't you mean larger?

The bark present at the time of damage is still there, so it doesn't look like mechanical damage, from the regrowth either side of the sunken area it looks like the undamaged part has put on most of a growth ring and is trying to occlude the damage. which happened at least one growing season back. It is too localised low down to be sun scorching so given the slight blackening I'd guess a car exhaust has done the heat damage.

Pug 3008 hybrid4 does that and there is due a citroen aircross hybrid4 and maybe a vauxhall equivalent plus it's the same layout as a one of the vans, possibly a berlingo but no 4wd version van. The cars are supposed to be plug in and run for about 20 miles on battery. I through I would need to tow a chap out of a wet field in an older C5 hybrid but he drove out and it was quite strange to see the rear wheels spinning faster than the front. I mentioned this to @Big J a while back in a thread as he has one of the citroen vans using the same base

I'm not sure why we don't produce more beans and pulses apart from harvesting them immature for freezing. Of course we dump a vast amount of nitrogenous liquid into the rivers and sea each day.

Yes and given that most of the world's population can never reach our standard of living I don't have much hope for COP26 either. Trouble is the problems are coming home to roost a bit earlier than I expected. This current energy crisis is a case in point, We need nitrogen for crops, it's equivalent to having more acres, traditionally it came from hydropower and more recently made from natural gas, often from stranded resources which would have been flared. Now it's worth liquefying and shipping it so no need to make ammonium nitrate with it. Then given a stranglehold on the west's supply of gas from the east...

I'm all for sustainable farming but the regulations around farming are bewildering, I left working dairy farming 45 years ago and wonder if I would have been able to keep up. The old farm is now a golf course and an academy. Given all the conservationist eulogising rewilding and loss of all Knepp's arable acres I do wonder how we are going to compete for food on the world market as we fall back to the interwar 50% dependence on food imports. I think we produce 60% currently and even during the war only got to 70% plus the population has doubled since.

I thought shrews were insectivorous so never saw them as a problem, it is bank voles (our commonest rodent I think) that will strip a young plant and they also love the shelter provided by a plastic tube.

The roof space in a well insulated roof should be near ambient air but yes whole house ventilation units are often in the loft but vent directly to the outside because of condensation risk.

Funny thing is I have never seen lodgepole pine grow into nice poles here, completely unlike in america apparently (never seen it there). Most woods if peeled early and dried quickly will be to some extent durable, sitka dries hard and lasts if kept dry but sweet chestnut and yew would be my choice. With sweet chestnut some care needed with fixings as it splits readily.

fair comment

Careful mate you'll be getting as paranoid as I 🙂

Yes it was the problem of some knowledge of engines leading to an assumption about stoves and that I thought we had discussed this before, not more than that.

It can be @Stubby but not for the reason you thought. All modern domestic gas boilers are room sealed.

There may be good reasons for going room sealed, one of them may be that the house is designed to be nearly airtight with very low infiltration rates with a whole house ventilation system managing the air changes. This could affect the operation of a stove when the pressure in the house changes. After all we are only talking about fractions of an inch water gauge between the stove and the top of the chimney, this is what drives the air through a natural draught (i.e. no fans) stove. As I tried to point out earlier in the thread the actual air flow through a small stove is likely to be a small part of the air changes needed in a house for a healthy atmosphere. Typically a stove will take ambient air from a room at about 20C raise it to about 800C to ensure a clean burn and exhausting it up the flue at about 200C, the idea being that it leaves the top of the chimney at above 100C to avoid condensation in the chimney. Heat losses due to dumping 20m3/hour of air with a delta C of 80 to 180 is in the order of 1kW and is not significantly different for room sealed or normal stoves. A gas boiler has much lower losses. @Retired Climber gets my point that increased air density leading to increased massflow is a consideration for a heat engine but not for a simple stove.

Doh, so you have to heat it up in the fire before dumping it out of the top of the chimney with greater heat loss than if you took air from the room that was to be made up from outside air anyway.

No but it would give more leeway to dry stuff in the summer and extra dry storage in the winter but if it's not in DNP remit to aid local businesses...